[ 68.415732][ T144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 68.474888][ T144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 68.536475][ T144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 69.197066][ T144] device hsr_slave_0 left promiscuous mode
[ 69.206576][ T144] device hsr_slave_1 left promiscuous mode
[ 69.214014][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 69.223183][ T144] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 69.233227][ T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 69.242663][ T144] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 69.250880][ T144] device bridge_slave_1 left promiscuous mode
[ 69.257934][ T144] bridge0: port 2(bridge_slave_1) entered disabled state
[ 69.274498][ T144] device bridge_slave_0 left promiscuous mode
[ 69.284035][ T144] bridge0: port 1(bridge_slave_0) entered disabled state
[ 69.304880][ T144] device veth1_macvtap left promiscuous mode
[ 69.312888][ T144] device veth0_macvtap left promiscuous mode
[ 69.319501][ T144] device veth1_vlan left promiscuous mode
[ 69.326402][ T144] device veth0_vlan left promiscuous mode
[ 69.462891][ T144] team0 (unregistering): Port device team_slave_1 removed
[ 69.474483][ T144] team0 (unregistering): Port device team_slave_0 removed
[ 69.487129][ T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 69.503383][ T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 69.548560][ T144] bond0 (unregistering): Released all slaves
[ 71.512478][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.519393][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
Warning: Permanently added '10.128.0.24' (ED25519) to the list of known hosts.
2026/07/24 16:24:07 ignoring optional flag "type"="gce"
2026/07/24 16:24:07 parsed 1 programs
2026/07/24 16:24:08 executed programs: 0
[ 74.023553][ T4392] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 74.152916][ T4401] chnl_net:caif_netlink_parms(): no params data found
[ 74.190025][ T4401] bridge0: port 1(bridge_slave_0) entered blocking state
[ 74.198247][ T4401] bridge0: port 1(bridge_slave_0) entered disabled state
[ 74.207254][ T4401] device bridge_slave_0 entered promiscuous mode
[ 74.216267][ T4401] bridge0: port 2(bridge_slave_1) entered blocking state
[ 74.224107][ T4401] bridge0: port 2(bridge_slave_1) entered disabled state
[ 74.233405][ T4401] device bridge_slave_1 entered promiscuous mode
[ 74.253382][ T4401] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 74.265723][ T4401] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 74.288330][ T4401] team0: Port device team_slave_0 added
[ 74.296606][ T4401] team0: Port device team_slave_1 added
[ 74.314551][ T4401] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 74.322279][ T4401] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 74.350982][ T4401] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 74.364758][ T4401] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 74.373283][ T4401] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 74.401190][ T4401] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 74.429952][ T4401] device hsr_slave_0 entered promiscuous mode
[ 74.438558][ T4401] device hsr_slave_1 entered promiscuous mode
[ 74.892541][ T4401] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 74.903810][ T4401] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 74.915534][ T4401] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 74.927205][ T4401] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 74.954843][ T4401] bridge0: port 2(bridge_slave_1) entered blocking state
[ 74.962519][ T4401] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 74.970132][ T4401] bridge0: port 1(bridge_slave_0) entered blocking state
[ 74.977742][ T4401] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 75.032049][ T4401] 8021q: adding VLAN 0 to HW filter on device bond0
[ 75.049460][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 75.061993][ T154] bridge0: port 1(bridge_slave_0) entered disabled state
[ 75.071129][ T154] bridge0: port 2(bridge_slave_1) entered disabled state
[ 75.080982][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 75.095687][ T4401] 8021q: adding VLAN 0 to HW filter on device team0
[ 75.107300][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 75.117086][ T154] bridge0: port 1(bridge_slave_0) entered blocking state
[ 75.124760][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 75.142177][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 75.151979][ T154] bridge0: port 2(bridge_slave_1) entered blocking state
[ 75.159690][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 75.178316][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 75.204326][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 75.214810][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 75.224715][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 75.234221][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 75.243621][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 75.253354][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 75.262637][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 75.271460][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 75.281703][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 75.292733][ T4401] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 75.409096][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 75.418641][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 75.433622][ T4401] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 75.457496][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 75.468984][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 75.491908][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 75.501761][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 75.515839][ T4401] device veth0_vlan entered promiscuous mode
[ 75.526088][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 75.536217][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 75.552299][ T4401] device veth1_vlan entered promiscuous mode
[ 75.582284][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 75.592403][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 75.602136][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 75.612856][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 75.625951][ T4401] device veth0_macvtap entered promiscuous mode
[ 75.640225][ T4401] device veth1_macvtap entered promiscuous mode
[ 75.661567][ T4401] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 75.671308][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 75.681139][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 75.695359][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 75.707552][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 75.723092][ T4401] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 75.733790][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 75.744366][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 75.759385][ T4401] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 75.769117][ T4401] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 75.780216][ T4401] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 75.789390][ T4401] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 75.856286][ T4483] loop0: detected capacity change from 0 to 64
[ 75.919049][ T4483] FAULT_INJECTION: forcing a failure.
[ 75.919049][ T4483] name failslab, interval 1, probability 0, space 0, times 1
[ 75.935641][ T4483] CPU: 0 PID: 4483 Comm: syz-executor.0 Not tainted syzkaller #0
[ 75.943883][ T4483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
[ 75.956243][ T4483] Call Trace:
[ 75.959749][ T4483]
[ 75.963053][ T4483] dump_stack_lvl+0x188/0x250
[ 75.968346][ T4483] ? show_regs_print_info+0x20/0x20
[ 75.974793][ T4483] ? load_image+0x410/0x410
[ 75.980120][ T4483] ? __might_sleep+0xf0/0xf0
[ 75.985153][ T4483] ? __lock_acquire+0x7b50/0x7b50
[ 75.990205][ T4483] should_fail+0x383/0x4b0
[ 75.995102][ T4483] should_failslab+0x5/0x20
[ 75.999908][ T4483] slab_pre_alloc_hook+0x51/0xc0
[ 76.005295][ T4483] __kmalloc_node+0x6d/0x3a0
[ 76.010539][ T4483] ? memcg_alloc_page_obj_cgroups+0x7d/0x120
[ 76.017276][ T4483] memcg_alloc_page_obj_cgroups+0x7d/0x120
[ 76.023642][ T4483] slab_post_alloc_hook+0xba/0x380
[ 76.029044][ T4483] ? alloc_buffer_head+0x21/0x100
[ 76.034440][ T4483] kmem_cache_alloc+0x15d/0x280
[ 76.039489][ T4483] alloc_buffer_head+0x21/0x100
[ 76.044627][ T4483] alloc_page_buffers+0x341/0x600
[ 76.049875][ T4483] create_empty_buffers+0x3a/0x6d0
[ 76.055392][ T4483] create_page_buffers+0x1c4/0x320
[ 76.060978][ T4483] __block_write_begin_int+0x25f/0x15d0
[ 76.067859][ T4483] ? page_cache_prev_miss+0x380/0x380
[ 76.073598][ T4483] ? mark_lock+0x94/0x320
[ 76.078053][ T4483] ? hfs_free_extents+0x430/0x430
[ 76.083356][ T4483] ? page_zero_new_buffers+0x490/0x490
[ 76.089015][ T4483] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 76.095547][ T4483] ? lock_chain_count+0x20/0x20
[ 76.101058][ T4483] ? do_user_addr_fault+0x69f/0xc90
[ 76.106645][ T4483] ? wait_for_stable_page+0xd9/0x110
[ 76.112371][ T4483] cont_write_begin+0x598/0x7b0
[ 76.117941][ T4483] ? lockdep_hardirqs_on+0x94/0x140
[ 76.123548][ T4483] ? generic_cont_expand_simple+0x1a0/0x1a0
[ 76.129598][ T4483] ? __get_user_nocheck_1+0x6/0x10
[ 76.134921][ T4483] hfs_write_begin+0x92/0xe0
[ 76.140054][ T4483] ? hfs_free_extents+0x430/0x430
[ 76.145368][ T4483] generic_perform_write+0x2b6/0x550
[ 76.151049][ T4483] ? grab_cache_page_write_begin+0xa0/0xa0
[ 76.157016][ T4483] ? file_remove_privs+0x5d0/0x5d0
[ 76.163146][ T4483] ? rwsem_write_trylock+0x135/0x1c0
[ 76.169276][ T4483] ? clear_nonspinnable+0x60/0x60
[ 76.174989][ T4483] __generic_file_write_iter+0x261/0x4e0
[ 76.181950][ T4483] ? generic_write_checks+0x3be/0x460
[ 76.188230][ T4483] generic_file_write_iter+0xa6/0x1b0
[ 76.193984][ T4483] vfs_write+0x748/0xd70
[ 76.199312][ T4483] ? file_end_write+0x250/0x250
[ 76.204922][ T4483] ? mutex_lock_nested+0x17/0x20
[ 76.209971][ T4483] ? __fdget_pos+0x2bf/0x370
[ 76.215115][ T4483] ? ksys_write+0x70/0x260
[ 76.220351][ T4483] ksys_write+0x153/0x260
[ 76.225068][ T4483] ? __ia32_sys_read+0x80/0x80
[ 76.230253][ T4483] ? lockdep_hardirqs_on+0x94/0x140
[ 76.235741][ T4483] do_syscall_64+0x4c/0xa0
[ 76.240721][ T4483] ? clear_bhb_loop+0x30/0x80
[ 76.246640][ T4483] ? clear_bhb_loop+0x30/0x80
[ 76.251874][ T4483] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 76.258681][ T4483] RIP: 0033:0x7f5ab9272079
[ 76.263676][ T4483] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[ 76.284128][ T4483] RSP: 002b:00007f5ab86030b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 76.292657][ T4483] RAX: ffffffffffffffda RBX: 00007f5ab93b0f80 RCX: 00007f5ab9272079
[ 76.301686][ T4483] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[ 76.310418][ T4483] RBP: 00007f5ab8603120 R08: 0000000000000000 R09: 0000000000000000
[ 76.318519][ T4483] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 76.327202][ T4483] R13: 000000000000000b R14: 00007f5ab93b0f80 R15: 00007ffc5fa2aae8
[ 76.336526][ T4483]
[ 76.343053][ T4215] Bluetooth: hci0: command 0x0409 tx timeout
[ 76.456783][ T4513] loop0: detected capacity change from 0 to 64
[ 76.487658][ T4513] FAULT_INJECTION: forcing a failure.
[ 76.487658][ T4513] name failslab, interval 1, probability 0, space 0, times 0
[ 76.511703][ T4513] CPU: 0 PID: 4513 Comm: syz-executor.0 Not tainted syzkaller #0
[ 76.521105][ T4513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
[ 76.532710][ T4513] Call Trace:
[ 76.536354][ T4513]
[ 76.540127][ T4513] dump_stack_lvl+0x188/0x250
[ 76.546424][ T4513] ? show_regs_print_info+0x20/0x20
[ 76.552534][ T4513] ? load_image+0x410/0x410
[ 76.557622][ T4513] ? __might_sleep+0xf0/0xf0
[ 76.562869][ T4513] ? __lock_acquire+0x7b50/0x7b50
[ 76.568100][ T4513] should_fail+0x383/0x4b0
[ 76.573099][ T4513] should_failslab+0x5/0x20
[ 76.578021][ T4513] slab_pre_alloc_hook+0x51/0xc0
[ 76.583441][ T4513] __kmalloc_node+0x6d/0x3a0
[ 76.588401][ T4513] ? memcg_alloc_page_obj_cgroups+0x7d/0x120
[ 76.594909][ T4513] memcg_alloc_page_obj_cgroups+0x7d/0x120
[ 76.601783][ T4513] slab_post_alloc_hook+0xba/0x380
[ 76.607091][ T4513] ? alloc_buffer_head+0x21/0x100
[ 76.612606][ T4513] kmem_cache_alloc+0x15d/0x280
[ 76.617745][ T4513] alloc_buffer_head+0x21/0x100
[ 76.623009][ T4513] alloc_page_buffers+0x341/0x600
[ 76.628555][ T4513] create_empty_buffers+0x3a/0x6d0
[ 76.634159][ T4513] create_page_buffers+0x1c4/0x320
[ 76.639851][ T4513] __block_write_begin_int+0x25f/0x15d0
[ 76.646058][ T4513] ? page_cache_prev_miss+0x380/0x380
[ 76.651838][ T4513] ? mark_lock+0x94/0x320
[ 76.656632][ T4513] ? hfs_free_extents+0x430/0x430
[ 76.661852][ T4513] ? page_zero_new_buffers+0x490/0x490
[ 76.667509][ T4513] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 76.673616][ T4513] ? lock_chain_count+0x20/0x20
[ 76.679303][ T4513] ? do_user_addr_fault+0x69f/0xc90
[ 76.684748][ T4513] ? wait_for_stable_page+0xd9/0x110
[ 76.690589][ T4513] cont_write_begin+0x598/0x7b0
[ 76.695807][ T4513] ? lockdep_hardirqs_on+0x94/0x140
[ 76.701296][ T4513] ? generic_cont_expand_simple+0x1a0/0x1a0
[ 76.708042][ T4513] ? __get_user_nocheck_1+0x6/0x10
[ 76.714480][ T4513] hfs_write_begin+0x92/0xe0
[ 76.720085][ T4513] ? hfs_free_extents+0x430/0x430
[ 76.725964][ T4513] generic_perform_write+0x2b6/0x550
[ 76.732351][ T4513] ? grab_cache_page_write_begin+0xa0/0xa0
[ 76.740608][ T4513] ? file_remove_privs+0x5d0/0x5d0
[ 76.747180][ T4513] ? rwsem_write_trylock+0x135/0x1c0
[ 76.753347][ T4513] ? clear_nonspinnable+0x60/0x60
[ 76.758986][ T4513] __generic_file_write_iter+0x261/0x4e0
[ 76.764917][ T4513] ? generic_write_checks+0x3be/0x460
[ 76.771094][ T4513] generic_file_write_iter+0xa6/0x1b0
[ 76.776674][ T4513] vfs_write+0x748/0xd70
[ 76.782122][ T4513] ? file_end_write+0x250/0x250
[ 76.787462][ T4513] ? mutex_lock_nested+0x17/0x20
[ 76.792861][ T4513] ? __fdget_pos+0x2bf/0x370
[ 76.798058][ T4513] ? ksys_write+0x70/0x260
[ 76.802744][ T4513] ksys_write+0x153/0x260
[ 76.807720][ T4513] ? __ia32_sys_read+0x80/0x80
[ 76.812980][ T4513] ? lockdep_hardirqs_on+0x94/0x140
[ 76.818836][ T4513] do_syscall_64+0x4c/0xa0
[ 76.824105][ T4513] ? clear_bhb_loop+0x30/0x80
[ 76.829064][ T4513] ? clear_bhb_loop+0x30/0x80
[ 76.834201][ T4513] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 76.840418][ T4513] RIP: 0033:0x7f5ab9272079
[ 76.845113][ T4513] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[ 76.866820][ T4513] RSP: 002b:00007f5ab86030b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 76.876602][ T4513] RAX: ffffffffffffffda RBX: 00007f5ab93b0f80 RCX: 00007f5ab9272079
[ 76.885613][ T4513] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[ 76.894205][ T4513] RBP: 00007f5ab8603120 R08: 0000000000000000 R09: 0000000000000000
[ 76.902715][ T4513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 76.911600][ T4513] R13: 000000000000000b R14: 00007f5ab93b0f80 R15: 00007ffc5fa2aae8
[ 76.920124][ T4513]
[ 77.051868][ T4544] loop0: detected capacity change from 0 to 64
[ 77.108719][ T4544] FAULT_INJECTION: forcing a failure.
[ 77.108719][ T4544] name failslab, interval 1, probability 0, space 0, times 0
[ 77.124772][ T4544] CPU: 1 PID: 4544 Comm: syz-executor.0 Not tainted syzkaller #0
[ 77.132531][ T4544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
[ 77.143466][ T4544] Call Trace:
[ 77.147019][ T4544]
[ 77.150054][ T4544] dump_stack_lvl+0x188/0x250
[ 77.154766][ T4544] ? show_regs_print_info+0x20/0x20
[ 77.160640][ T4544] ? load_image+0x410/0x410
[ 77.165682][ T4544] ? __lock_acquire+0x7b50/0x7b50
[ 77.172360][ T4544] ? __lock_acquire+0x1305/0x7b50
[ 77.177852][ T4544] should_fail+0x383/0x4b0
[ 77.184283][ T4544] should_failslab+0x5/0x20
[ 77.189242][ T4544] slab_pre_alloc_hook+0x51/0xc0
[ 77.195236][ T4544] __kmalloc+0x6b/0x340
[ 77.199896][ T4544] ? __hfs_bnode_create+0xee/0xbd0
[ 77.208508][ T4544] __hfs_bnode_create+0xee/0xbd0
[ 77.213831][ T4544] ? hfs_bnode_find+0x211/0xce0
[ 77.219318][ T4544] ? hfs_bnode_get+0x40/0x40
[ 77.224021][ T4544] ? do_raw_spin_lock+0x128/0x2f0
[ 77.229511][ T4544] ? __rwlock_init+0x140/0x140
[ 77.234490][ T4544] ? do_raw_spin_unlock+0x11d/0x230
[ 77.240090][ T4544] hfs_bnode_find+0x21d/0xce0
[ 77.245405][ T4544] ? hfs_bnode_unlink+0x680/0x680
[ 77.250424][ T4544] ? __lock_acquire+0x7b50/0x7b50
[ 77.256010][ T4544] ? hfs_bmap_reserve+0x3db/0x420
[ 77.261053][ T4544] hfs_bmap_alloc+0xa6/0x670
[ 77.265637][ T4544] ? __kernel_text_address+0x9a/0x100
[ 77.271178][ T4544] ? hfs_bmap_reserve+0x420/0x420
[ 77.276645][ T4544] ? arch_stack_walk+0xf2/0x140
[ 77.281911][ T4544] hfs_btree_inc_height+0xf6/0xac0
[ 77.287727][ T4544] ? hfs_brec_insert+0xb70/0xb70
[ 77.293710][ T4544] ? __mutex_trylock_common+0x15c/0x260
[ 77.299761][ T4544] ? rcu_lock_release+0x20/0x20
[ 77.305225][ T4544] ? hfs_find_init+0x83/0x1d0
[ 77.310171][ T4544] hfs_brec_insert+0x13e/0xb70
[ 77.315213][ T4544] ? memset+0x1e/0x40
[ 77.319714][ T4544] ? hfs_bmap_reserve+0x3db/0x420
[ 77.324903][ T4544] ? hfs_brec_keylen+0x360/0x360
[ 77.330274][ T4544] ? mutex_lock_io_nested+0x60/0x60
[ 77.335912][ T4544] __hfs_ext_write_extent+0x2a3/0x470
[ 77.342352][ T4544] __hfs_ext_cache_extent+0x6e/0x9a0
[ 77.348009][ T4544] ? mutex_lock_nested+0x17/0x20
[ 77.353032][ T4544] ? hfs_find_init+0x14e/0x1d0
[ 77.357898][ T4544] hfs_extend_file+0x378/0x1380
[ 77.363511][ T4544] ? hfs_get_block+0xbe0/0xbe0
[ 77.369084][ T4544] ? hfs_get_block+0x93b/0xbe0
[ 77.373963][ T4544] ? pagevec_lookup_range+0x30/0x70
[ 77.379160][ T4544] ? clean_bdev_aliases+0x762/0x8a0
[ 77.384598][ T4544] hfs_get_block+0x3fe/0xbe0
[ 77.389646][ T4544] ? hfs_free_extents+0x430/0x430
[ 77.394667][ T4544] ? do_raw_spin_unlock+0x11d/0x230
[ 77.400129][ T4544] ? create_page_buffers+0x238/0x320
[ 77.406803][ T4544] __block_write_begin_int+0x565/0x15d0
[ 77.412527][ T4544] ? hfs_free_extents+0x430/0x430
[ 77.418093][ T4544] ? page_zero_new_buffers+0x490/0x490
[ 77.423864][ T4544] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 77.430283][ T4544] ? lock_chain_count+0x20/0x20
[ 77.435234][ T4544] ? do_user_addr_fault+0x69f/0xc90
[ 77.440613][ T4544] ? wait_for_stable_page+0xd9/0x110
[ 77.446534][ T4544] cont_write_begin+0x598/0x7b0
[ 77.451382][ T4544] ? lockdep_hardirqs_on+0x94/0x140
[ 77.456899][ T4544] ? generic_cont_expand_simple+0x1a0/0x1a0
[ 77.463052][ T4544] ? __get_user_nocheck_1+0x6/0x10
[ 77.468675][ T4544] hfs_write_begin+0x92/0xe0
[ 77.473370][ T4544] ? hfs_free_extents+0x430/0x430
[ 77.479179][ T4544] generic_perform_write+0x2b6/0x550
[ 77.484737][ T4544] ? grab_cache_page_write_begin+0xa0/0xa0
[ 77.490916][ T4544] ? file_remove_privs+0x5d0/0x5d0
[ 77.496049][ T4544] ? rwsem_write_trylock+0x135/0x1c0
[ 77.502148][ T4544] ? clear_nonspinnable+0x60/0x60
[ 77.507183][ T4544] __generic_file_write_iter+0x261/0x4e0
[ 77.512976][ T4544] ? generic_write_checks+0x3be/0x460
[ 77.518566][ T4544] generic_file_write_iter+0xa6/0x1b0
[ 77.524224][ T4544] vfs_write+0x748/0xd70
[ 77.528824][ T4544] ? file_end_write+0x250/0x250
[ 77.533766][ T4544] ? mutex_lock_nested+0x17/0x20
[ 77.539216][ T4544] ? __fdget_pos+0x2bf/0x370
[ 77.544079][ T4544] ? ksys_write+0x70/0x260
[ 77.548573][ T4544] ksys_write+0x153/0x260
[ 77.552987][ T4544] ? __ia32_sys_read+0x80/0x80
[ 77.557937][ T4544] ? lockdep_hardirqs_on+0x94/0x140
[ 77.563829][ T4544] do_syscall_64+0x4c/0xa0
[ 77.568330][ T4544] ? clear_bhb_loop+0x30/0x80
[ 77.573106][ T4544] ? clear_bhb_loop+0x30/0x80
[ 77.577961][ T4544] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 77.583939][ T4544] RIP: 0033:0x7f5ab9272079
[ 77.588367][ T4544] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[ 77.608616][ T4544] RSP: 002b:00007f5ab86030b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 77.617473][ T4544] RAX: ffffffffffffffda RBX: 00007f5ab93b0f80 RCX: 00007f5ab9272079
[ 77.626011][ T4544] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[ 77.634710][ T4544] RBP: 00007f5ab8603120 R08: 0000000000000000 R09: 0000000000000000
[ 77.643398][ T4544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 77.651810][ T4544] R13: 000000000000000b R14: 00007f5ab93b0f80 R15: 00007ffc5fa2aae8
[ 77.660664][ T4544]
[ 77.683684][ T4544] hfs: new node 0 already hashed?
[ 77.689338][ T4544] ------------[ cut here ]------------
[ 77.697460][ T4544] WARNING: CPU: 1 PID: 4544 at fs/hfs/bnode.c:532 hfs_bnode_create+0x3c7/0x450
[ 77.708562][ T4544] Modules linked in:
[ 77.714055][ T4544] CPU: 1 PID: 4544 Comm: syz-executor.0 Not tainted syzkaller #0
[ 77.722630][ T4544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
[ 77.734369][ T4544] RIP: 0010:hfs_bnode_create+0x3c7/0x450
[ 77.740814][ T4544] Code: 95 3f 8a 89 ee e8 49 4d 86 07 e9 61 fd ff ff e8 8f dc 49 ff 4c 89 ef e8 37 61 9a 07 48 c7 c7 20 96 3f 8a 89 ee e8 29 4d 86 07 <0f> 0b eb b7 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 6d fc ff ff 4c
[ 77.763692][ T4544] RSP: 0018:ffffc90002fcf018 EFLAGS: 00010246
[ 77.770692][ T4544] RAX: 000000000000001f RBX: ffff88807909a000 RCX: a3bb630682616800
[ 77.779427][ T4544] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 77.789021][ T4544] RBP: 0000000000000000 R08: ffff8880b9133d7f R09: 1ffff110172267af
[ 77.797809][ T4544] R10: dffffc0000000000 R11: ffffed10172267b0 R12: 0000000000000000
[ 77.808056][ T4544] R13: ffff88807909a0e0 R14: ffff88802b2bca00 R15: dffffc0000000000
[ 77.817059][ T4544] FS: 00007f5ab86036c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 77.828121][ T4544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 77.836034][ T4544] CR2: 00007f5ab92b3490 CR3: 000000001f00d000 CR4: 00000000003506e0
[ 77.845543][ T4544] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 77.854510][ T4544] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 77.864497][ T4544] Call Trace:
[ 77.868045][ T4544]
[ 77.871654][ T4544] hfs_bmap_alloc+0x5b6/0x670
[ 77.877421][ T4544] ? hfs_bmap_reserve+0x420/0x420
[ 77.885585][ T4544] hfs_btree_inc_height+0xf6/0xac0
[ 77.891355][ T4544] ? hfs_brec_insert+0x6d8/0xb70
[ 77.896714][ T4544] ? __lock_acquire+0x7b50/0x7b50
[ 77.904223][ T4544] ? hfs_brec_insert+0xb70/0xb70
[ 77.909543][ T4544] ? do_raw_spin_unlock+0x11d/0x230
[ 77.915729][ T4544] hfs_brec_insert+0x71d/0xb70
[ 77.922108][ T4544] ? hfs_brec_keylen+0x360/0x360
[ 77.927990][ T4544] ? mutex_lock_io_nested+0x60/0x60
[ 77.934676][ T4544] __hfs_ext_write_extent+0x2a3/0x470
[ 77.941794][ T4544] __hfs_ext_cache_extent+0x6e/0x9a0
[ 77.947878][ T4544] ? mutex_lock_nested+0x17/0x20
[ 77.953401][ T4544] ? hfs_find_init+0x14e/0x1d0
[ 77.958485][ T4544] hfs_extend_file+0x378/0x1380
[ 77.965516][ T4544] ? hfs_get_block+0xbe0/0xbe0
[ 77.970887][ T4544] ? hfs_get_block+0x93b/0xbe0
[ 77.975884][ T4544] ? pagevec_lookup_range+0x30/0x70
[ 77.982865][ T4544] ? clean_bdev_aliases+0x762/0x8a0
[ 77.988295][ T4544] hfs_get_block+0x3fe/0xbe0
[ 77.994250][ T4544] ? hfs_free_extents+0x430/0x430
[ 78.001005][ T4544] ? do_raw_spin_unlock+0x11d/0x230
[ 78.006544][ T4544] ? create_page_buffers+0x238/0x320
[ 78.012520][ T4544] __block_write_begin_int+0x565/0x15d0
[ 78.018489][ T4544] ? hfs_free_extents+0x430/0x430
[ 78.025331][ T4544] ? page_zero_new_buffers+0x490/0x490
[ 78.031519][ T4544] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 78.038187][ T4544] ? lock_chain_count+0x20/0x20
[ 78.044935][ T4544] ? do_user_addr_fault+0x69f/0xc90
[ 78.050981][ T4544] ? wait_for_stable_page+0xd9/0x110
[ 78.057639][ T4544] cont_write_begin+0x598/0x7b0
[ 78.065267][ T4544] ? lockdep_hardirqs_on+0x94/0x140
[ 78.071592][ T4544] ? generic_cont_expand_simple+0x1a0/0x1a0
[ 78.077656][ T4544] ? __get_user_nocheck_1+0x6/0x10
[ 78.084453][ T4544] hfs_write_begin+0x92/0xe0
[ 78.089238][ T4544] ? hfs_free_extents+0x430/0x430
[ 78.095061][ T4544] generic_perform_write+0x2b6/0x550
[ 78.102106][ T4544] ? grab_cache_page_write_begin+0xa0/0xa0
[ 78.108138][ T4544] ? file_remove_privs+0x5d0/0x5d0
[ 78.114170][ T4544] ? rwsem_write_trylock+0x135/0x1c0
[ 78.120928][ T4544] ? clear_nonspinnable+0x60/0x60
[ 78.126480][ T4544] __generic_file_write_iter+0x261/0x4e0
[ 78.132861][ T4544] ? generic_write_checks+0x3be/0x460
[ 78.138726][ T4544] generic_file_write_iter+0xa6/0x1b0
[ 78.146166][ T4544] vfs_write+0x748/0xd70
[ 78.150778][ T4544] ? file_end_write+0x250/0x250
[ 78.155903][ T4544] ? mutex_lock_nested+0x17/0x20
[ 78.162852][ T4544] ? __fdget_pos+0x2bf/0x370
[ 78.168119][ T4544] ? ksys_write+0x70/0x260
[ 78.173360][ T4544] ksys_write+0x153/0x260
[ 78.178119][ T4544] ? __ia32_sys_read+0x80/0x80
[ 78.184663][ T4544] ? lockdep_hardirqs_on+0x94/0x140
[ 78.191337][ T4544] do_syscall_64+0x4c/0xa0
[ 78.196626][ T4544] ? clear_bhb_loop+0x30/0x80
[ 78.203102][ T4544] ? clear_bhb_loop+0x30/0x80
[ 78.207969][ T4544] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 78.215178][ T4544] RIP: 0033:0x7f5ab9272079
[ 78.221924][ T4544] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[ 78.245140][ T4544] RSP: 002b:00007f5ab86030b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 78.254569][ T4544] RAX: ffffffffffffffda RBX: 00007f5ab93b0f80 RCX: 00007f5ab9272079
[ 78.264649][ T4544] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[ 78.273409][ T4544] RBP: 00007f5ab8603120 R08: 0000000000000000 R09: 0000000000000000
[ 78.283783][ T4544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 78.292940][ T4544] R13: 000000000000000b R14: 00007f5ab93b0f80 R15: 00007ffc5fa2aae8
[ 78.303613][ T4544]
[ 78.307055][ T4544] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 78.314622][ T4544] CPU: 1 PID: 4544 Comm: syz-executor.0 Not tainted syzkaller #0
[ 78.322831][ T4544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
[ 78.333618][ T4544] Call Trace:
[ 78.337304][ T4544]
[ 78.340644][ T4544] dump_stack_lvl+0x188/0x250
[ 78.345607][ T4544] ? show_regs_print_info+0x20/0x20
[ 78.351136][ T4544] ? load_image+0x410/0x410
[ 78.355970][ T4544] panic+0x2f8/0x850
[ 78.360326][ T4544] ? bpf_jit_dump+0xd0/0xd0
[ 78.365653][ T4544] ? hfs_bnode_create+0x3c7/0x450
[ 78.371435][ T4544] __warn+0x248/0x2b0
[ 78.375712][ T4544] ? hfs_bnode_create+0x3c7/0x450
[ 78.380846][ T4544] report_bug+0x1b9/0x2e0
[ 78.385546][ T4544] handle_bug+0x3a/0x70
[ 78.389735][ T4544] exc_invalid_op+0x16/0x40
[ 78.394443][ T4544] asm_exc_invalid_op+0x16/0x20
[ 78.399813][ T4544] RIP: 0010:hfs_bnode_create+0x3c7/0x450
[ 78.405856][ T4544] Code: 95 3f 8a 89 ee e8 49 4d 86 07 e9 61 fd ff ff e8 8f dc 49 ff 4c 89 ef e8 37 61 9a 07 48 c7 c7 20 96 3f 8a 89 ee e8 29 4d 86 07 <0f> 0b eb b7 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 6d fc ff ff 4c
[ 78.426410][ T4544] RSP: 0018:ffffc90002fcf018 EFLAGS: 00010246
[ 78.433051][ T4544] RAX: 000000000000001f RBX: ffff88807909a000 RCX: a3bb630682616800
[ 78.441236][ T4544] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 78.449758][ T4544] RBP: 0000000000000000 R08: ffff8880b9133d7f R09: 1ffff110172267af
[ 78.458475][ T4544] R10: dffffc0000000000 R11: ffffed10172267b0 R12: 0000000000000000
[ 78.466640][ T4544] R13: ffff88807909a0e0 R14: ffff88802b2bca00 R15: dffffc0000000000
[ 78.474818][ T4544] ? hfs_bnode_create+0x3c7/0x450
[ 78.480415][ T4544] hfs_bmap_alloc+0x5b6/0x670
[ 78.485387][ T4544] ? hfs_bmap_reserve+0x420/0x420
[ 78.491127][ T4544] hfs_btree_inc_height+0xf6/0xac0
[ 78.496814][ T4544] ? hfs_brec_insert+0x6d8/0xb70
[ 78.502277][ T4544] ? __lock_acquire+0x7b50/0x7b50
[ 78.507512][ T4544] ? hfs_brec_insert+0xb70/0xb70
[ 78.512924][ T4544] ? do_raw_spin_unlock+0x11d/0x230
[ 78.518623][ T4544] hfs_brec_insert+0x71d/0xb70
[ 78.523826][ T4544] ? hfs_brec_keylen+0x360/0x360
[ 78.529504][ T4544] ? mutex_lock_io_nested+0x60/0x60
[ 78.534858][ T4544] __hfs_ext_write_extent+0x2a3/0x470
[ 78.541108][ T4544] __hfs_ext_cache_extent+0x6e/0x9a0
[ 78.546604][ T4544] ? mutex_lock_nested+0x17/0x20
[ 78.551914][ T4544] ? hfs_find_init+0x14e/0x1d0
[ 78.557068][ T4544] hfs_extend_file+0x378/0x1380
[ 78.562481][ T4544] ? hfs_get_block+0xbe0/0xbe0
[ 78.567431][ T4544] ? hfs_get_block+0x93b/0xbe0
[ 78.572247][ T4544] ? pagevec_lookup_range+0x30/0x70
[ 78.577470][ T4544] ? clean_bdev_aliases+0x762/0x8a0
[ 78.583041][ T4544] hfs_get_block+0x3fe/0xbe0
[ 78.588024][ T4544] ? hfs_free_extents+0x430/0x430
[ 78.593252][ T4544] ? do_raw_spin_unlock+0x11d/0x230
[ 78.598779][ T4544] ? create_page_buffers+0x238/0x320
[ 78.604347][ T4544] __block_write_begin_int+0x565/0x15d0
[ 78.610284][ T4544] ? hfs_free_extents+0x430/0x430
[ 78.615600][ T4544] ? page_zero_new_buffers+0x490/0x490
[ 78.621436][ T4544] ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[ 78.627928][ T4544] ? lock_chain_count+0x20/0x20
[ 78.633074][ T4544] ? do_user_addr_fault+0x69f/0xc90
[ 78.638655][ T4544] ? wait_for_stable_page+0xd9/0x110
[ 78.645191][ T4544] cont_write_begin+0x598/0x7b0
[ 78.650592][ T4544] ? lockdep_hardirqs_on+0x94/0x140
[ 78.656253][ T4544] ? generic_cont_expand_simple+0x1a0/0x1a0
[ 78.662776][ T4544] ? __get_user_nocheck_1+0x6/0x10
[ 78.667999][ T4544] hfs_write_begin+0x92/0xe0
[ 78.672605][ T4544] ? hfs_free_extents+0x430/0x430
[ 78.677931][ T4544] generic_perform_write+0x2b6/0x550
[ 78.683969][ T4544] ? grab_cache_page_write_begin+0xa0/0xa0
[ 78.690009][ T4544] ? file_remove_privs+0x5d0/0x5d0
[ 78.695602][ T4544] ? rwsem_write_trylock+0x135/0x1c0
[ 78.701091][ T4544] ? clear_nonspinnable+0x60/0x60
[ 78.706327][ T4544] __generic_file_write_iter+0x261/0x4e0
[ 78.712163][ T4544] ? generic_write_checks+0x3be/0x460
[ 78.718031][ T4544] generic_file_write_iter+0xa6/0x1b0
[ 78.724320][ T4544] vfs_write+0x748/0xd70
[ 78.728768][ T4544] ? file_end_write+0x250/0x250
[ 78.734102][ T4544] ? mutex_lock_nested+0x17/0x20
[ 78.739450][ T4544] ? __fdget_pos+0x2bf/0x370
[ 78.744420][ T4544] ? ksys_write+0x70/0x260
[ 78.749133][ T4544] ksys_write+0x153/0x260
[ 78.753921][ T4544] ? __ia32_sys_read+0x80/0x80
[ 78.758832][ T4544] ? lockdep_hardirqs_on+0x94/0x140
[ 78.764362][ T4544] do_syscall_64+0x4c/0xa0
[ 78.769070][ T4544] ? clear_bhb_loop+0x30/0x80
[ 78.774262][ T4544] ? clear_bhb_loop+0x30/0x80
[ 78.779292][ T4544] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 78.785482][ T4544] RIP: 0033:0x7f5ab9272079
[ 78.789924][ T4544] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[ 78.810786][ T4544] RSP: 002b:00007f5ab86030b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 78.819777][ T4544] RAX: ffffffffffffffda RBX: 00007f5ab93b0f80 RCX: 00007f5ab9272079
[ 78.828484][ T4544] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[ 78.836559][ T4544] RBP: 00007f5ab8603120 R08: 0000000000000000 R09: 0000000000000000
[ 78.844755][ T4544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 78.853434][ T4544] R13: 000000000000000b R14: 00007f5ab93b0f80 R15: 00007ffc5fa2aae8
[ 78.861929][ T4544]
[ 78.865580][ T4544] Kernel Offset: disabled
[ 78.870337][ T4544] Rebooting in 86400 seconds..